ST_SACN_UniDiscoveryPacket

//According ANSI E1.31 - 2018
{attribute 'pack_mode' := '1'} 
TYPE ST_SACN_UniDiscoveryPacket :
STRUCT
(*ACN Root Layer Protocol*)
RL01_Preamble : ARRAY [1..2] OF BYTE := [0, 16#10];
RL02_Postamble : ARRAY [1..2] OF BYTE;
RL03_sAcnPacketIdentifier : U_sAcnPackageIdentifier;
RL04_FlagsAndLength : ARRAY [1..2] OF BYTE;
RL05_VectorRoot : DWORD := sACN_Params.VECTOR_ROOT_E131_EXTENDED;
RL06_CID : GUID;

(* Framing Layer *)
FL01_FlagsAndLength : ARRAY [1..2] OF BYTE ;
FL02_VectorFraming : DWORD:= sACN_Params.VECTOR_UNIVERSE_DISCOVERY_UNIVERSE_LIST;
FL03_SourceName : U_sAcnSourceName;
FL04_Reserved : ARRAY [1..4] OF BYTE;

(* Universe Discovery Layer *)
UL01_FlagsAndLength : ARRAY [1..2] OF BYTE:= [16#72, 16#05];
UL02_VectorUD : BYTE := sACN_Params.VECTOR_UNIVERSE_DISCOVERY_UNIVERSE_LIST;
UL03_Page : USINT;
UL04_LastPage : USINT;
UL05_ListOfUniverses : ARRAY [1..512] OF WORD;
END_STRUCT
END_TYPE